Odata4 metadata roundtrip is not in place

            CREATE VIEW A(a_id integer PRIMARY KEY, a_value string) AS SELECT 1, 'a1' UNION ALL SELECT 2, 'a2';
            CREATE VIEW B(b_id integer PRIMARY KEY, b_value string) AS SELECT 3, 'b1' UNION ALL SELECT 4, 'b2';
            CREATE VIEW C(c_id integer PRIMARY KEY, a_ref integer, b_ref integer,
            FOREIGN KEY (a_ref) REFERENCES A(a_id),
            FOREIGN KEY (b_ref) REFERENCES B(b_id))
            AS SELECT 5, 1, 3 UNION ALL SELECT 6, 2, 4;

<?xml version="1.0" encoding="UTF-8"?>
<edmx:Edmx xmlns:edmx="http://docs.oasis-open.org/odata/ns/edmx" Version="4.0">
  <edmx:Reference Uri="http://localhost:8080/odata4/static/org.apache.olingo.v1.xml">
    <edmx:Include Namespace="org.apache.olingo.v1" Alias="olingo-extensions"/>
  </edmx:Reference>
  <edmx:DataServices>
    <Schema xmlns="http://docs.oasis-open.org/odata/ns/edm" Namespace="teiid5221data.1.data" Alias="data">
      <EntityType Name="A">
        <Key>
          <PropertyRef Name="a_id"/>
        </Key>
        <Property Name="a_id" Type="Edm.Int32" Nullable="false"/>
        <Property Name="a_value" Type="Edm.String" MaxLength="4000"/>
        <NavigationProperty Name="C_FK0" Type="Collection(data.C)"/>
      </EntityType>
      <EntityType Name="B">
        <Key>
          <PropertyRef Name="b_id"/>
        </Key>
        <Property Name="b_id" Type="Edm.Int32" Nullable="false"/>
        <Property Name="b_value" Type="Edm.String" MaxLength="4000"/>
        <NavigationProperty Name="C_FK1" Type="Collection(data.C)"/>
      </EntityType>
      <EntityType Name="C">
        <Key>
          <PropertyRef Name="c_id"/>
        </Key>
        <Property Name="c_id" Type="Edm.Int32" Nullable="false"/>
        <Property Name="a_ref" Type="Edm.Int32"/>
        <Property Name="b_ref" Type="Edm.Int32"/>
        <NavigationProperty Name="FK0" Type="data.A"/>
        <NavigationProperty Name="FK1" Type="data.B"/>
      </EntityType>
      <EntityContainer Name="data">
        <EntitySet Name="A" EntityType="data.A">
          <NavigationPropertyBinding Path="C_FK0" Target="C"/>
        </EntitySet>
        <EntitySet Name="B" EntityType="data.B">
          <NavigationPropertyBinding Path="C_FK1" Target="C"/>
        </EntitySet>
        <EntitySet Name="C" EntityType="data.C">
          <NavigationPropertyBinding Path="FK0" Target="A"/>
          <NavigationPropertyBinding Path="FK1" Target="B"/>
        </EntitySet>
      </EntityContainer>
    </Schema>
  </edmx:DataServices>
</edmx:Edmx>

===> SET NAMESPACE 'http://www.jboss.org/teiiddesigner/ext/odata/2012' AS teiid_odata;

CREATE FOREIGN TABLE A (
	a_id integer NOT NULL OPTIONS (NATIVE_TYPE 'Edm.Int32'),
	a_value string,
	PRIMARY KEY(a_id)
) OPTIONS (UPDATABLE TRUE, "teiid_odata:NameInSchema" 'data.A', "teiid_odata:Type" 'ENTITY_COLLECTION');

CREATE FOREIGN TABLE B (
	b_id integer NOT NULL OPTIONS (NATIVE_TYPE 'Edm.Int32'),
	b_value string,
	PRIMARY KEY(b_id)
) OPTIONS (UPDATABLE TRUE, "teiid_odata:NameInSchema" 'data.B', "teiid_odata:Type" 'ENTITY_COLLECTION');

CREATE FOREIGN TABLE C (
	c_id integer NOT NULL OPTIONS (NATIVE_TYPE 'Edm.Int32'),
	a_ref integer OPTIONS (NATIVE_TYPE 'Edm.Int32'),
	b_ref integer OPTIONS (NATIVE_TYPE 'Edm.Int32'),
	PRIMARY KEY(c_id)
) OPTIONS (UPDATABLE TRUE, "teiid_odata:NameInSchema" 'data.C', "teiid_odata:Type" 'ENTITY_COLLECTION');